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<div class="title">kpfilterpage.cpp</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *  This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> *  Copyright (c) 2001 Michael Goffioul &lt;kdeprint@swing.be&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> *  This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> *  modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> *  License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> *  This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> *  Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> *  You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> *  along with this library; see the file COPYING.LIB.  If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> *  Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment"> **/</span>
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 <span class="preprocessor">#include &quot;kpfilterpage.h&quot;</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &quot;kmfactory.h&quot;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &quot;kxmlcommand.h&quot;</span>
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;qtoolbutton.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;qheader.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;qtooltip.h&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;qlayout.h&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;qwhatsthis.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;klistview.h&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;klocale.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;kiconloader.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;kmessagebox.h&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;kactivelabel.h&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;kapplication.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;kdialog.h&gt;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 KPFilterPage::KPFilterPage(<a class="codeRef" href="qwidget.html">QWidget</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00039"></a>00039 : <a class="code" href="classKPrintDialogPage.html" title="This class is intended to be used as base class for customized print dialog page.">KPrintDialogPage</a>(parent,name)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041     <span class="comment">//WhatsThis strings.... (added by pfeifle@kde.org)</span>
<a name="l00042"></a>00042     <a class="codeRef" href="qstring.html">QString</a> whatsThisAddFilterButton = i18n(  <span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Add Filter button&lt;/b&gt;&quot;</span>
<a name="l00043"></a>00043                         <span class="stringliteral">&quot; &lt;p&gt;This button calls a little dialog to let you&quot;</span>
<a name="l00044"></a>00044                         <span class="stringliteral">&quot; select a filter here. &lt;/p&gt;&quot;</span>
<a name="l00045"></a>00045                         <span class="stringliteral">&quot; &lt;p&gt;&lt;b&gt;Note 1:&lt;/b&gt; You can chain different filters as long as you make &quot;</span>
<a name="l00046"></a>00046                         <span class="stringliteral">&quot; sure that the output of one fits as input of the next. (KDEPrint &quot;</span>
<a name="l00047"></a>00047                         <span class="stringliteral">&quot; checks your filtering chain and will warn you if you fail to do so.&lt;/p&gt; &quot;</span>
<a name="l00048"></a>00048                         <span class="stringliteral">&quot; &lt;p&gt;&lt;b&gt;Note 2:&lt;/b&gt; The filters you define here are applied to your jobfile &quot;</span>
<a name="l00049"></a>00049                         <span class="stringliteral">&quot; &lt;em&gt;&lt;b&gt;before&lt;/b&gt;&lt;/em&gt; it is handed downstream to your spooler and print &quot;</span>
<a name="l00050"></a>00050                         <span class="stringliteral">&quot; subsystem (e.g. CUPS, LPRng, LPD).&lt;/p&gt;&quot;</span>
<a name="l00051"></a>00051                         <span class="stringliteral">&quot; &lt;/ul&gt;&quot;</span>
<a name="l00052"></a>00052                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00053"></a>00053 
<a name="l00054"></a>00054     <a class="codeRef" href="qstring.html">QString</a> whatsThisRemoveFilterButton = i18n(<span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Remove Filter button&lt;/b&gt;&quot;</span>
<a name="l00055"></a>00055                         <span class="stringliteral">&quot; &lt;p&gt;This button removes the highlighted filter from the&quot;</span>
<a name="l00056"></a>00056                         <span class="stringliteral">&quot; list of filters.&quot;</span>
<a name="l00057"></a>00057                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00058"></a>00058 
<a name="l00059"></a>00059     <a class="codeRef" href="qstring.html">QString</a> whatsThisMoveFilterUpButton = i18n(<span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Move Filter Up button&lt;/b&gt;&quot;</span>
<a name="l00060"></a>00060                         <span class="stringliteral">&quot; &lt;p&gt;This button moves the highlighted filter up in the list&quot;</span>
<a name="l00061"></a>00061                         <span class="stringliteral">&quot; of filters, towards the front of the filtering chain. &lt;/p&gt;&quot;</span>
<a name="l00062"></a>00062                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00063"></a>00063 
<a name="l00064"></a>00064     <a class="codeRef" href="qstring.html">QString</a> whatsThisMoveFilterDownButton = i18n(<span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Move Filter Down button&lt;/b&gt;&quot;</span>
<a name="l00065"></a>00065                         <span class="stringliteral">&quot; &lt;p&gt;This button moves the highlighted filter down in the list&quot;</span>
<a name="l00066"></a>00066                         <span class="stringliteral">&quot; of filters, towards the end of the filtering chain..&lt;/p&gt;&quot;</span>
<a name="l00067"></a>00067                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00068"></a>00068 
<a name="l00069"></a>00069     <a class="codeRef" href="qstring.html">QString</a> whatsThisConfigureFilterButton = i18n( <span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Configure Filter button&lt;/b&gt;&quot;</span>
<a name="l00070"></a>00070                         <span class="stringliteral">&quot; &lt;p&gt;This button lets you configure the currently highlighted filter.&quot;</span>
<a name="l00071"></a>00071                         <span class="stringliteral">&quot; It opens a separate dialog. &quot;</span>
<a name="l00072"></a>00072                         <span class="stringliteral">&quot; &lt;/p&gt;&quot;</span>
<a name="l00073"></a>00073                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00074"></a>00074 
<a name="l00075"></a>00075     <a class="codeRef" href="qstring.html">QString</a> whatsThisFilterInfoPane = i18n( <span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Filter Info Pane&lt;/b&gt;&quot;</span>
<a name="l00076"></a>00076                         <span class="stringliteral">&quot; &lt;p&gt;This field shows some general info about the selected filter. &quot;</span>
<a name="l00077"></a>00077                         <span class="stringliteral">&quot; Amongst them are: &quot;</span>
<a name="l00078"></a>00078                         <span class="stringliteral">&quot; &lt;ul&gt; &quot;</span>
<a name="l00079"></a>00079                         <span class="stringliteral">&quot; &lt;li&gt;the &lt;em&gt;filter name&lt;/em&gt; (as displayed in the KDEPrint user interface); &lt;/li&gt; &quot;</span>
<a name="l00080"></a>00080                         <span class="stringliteral">&quot; &lt;li&gt;the &lt;em&gt;filter requirements&lt;/em&gt; (that is the external program that needs &quot;</span>
<a name="l00081"></a>00081                         <span class="stringliteral">&quot; to present and executable on this system); &lt;/li&gt; &quot;</span>
<a name="l00082"></a>00082                         <span class="stringliteral">&quot; &lt;li&gt;the &lt;em&gt;filter input format&lt;/em&gt; (in the form of one or several &lt;em&gt;MIME types&lt;/em&gt;&quot;</span>
<a name="l00083"></a>00083                         <span class="stringliteral">&quot; accepted by the filter); &lt;/li&gt; &quot;</span>
<a name="l00084"></a>00084                         <span class="stringliteral">&quot; &lt;li&gt;the &lt;em&gt;filter output format&lt;/em&gt; (in the form of a &lt;em&gt;MIME type&lt;/em&gt; &quot;</span>
<a name="l00085"></a>00085                         <span class="stringliteral">&quot; generated by the filter); &lt;/li&gt; &quot;</span>
<a name="l00086"></a>00086                         <span class="stringliteral">&quot; &lt;li&gt;a more or less verbose text describing the filter&#39;s operation.&lt;/li&gt; &quot;</span>
<a name="l00087"></a>00087                         <span class="stringliteral">&quot; &lt;/ul&gt; &quot;</span>
<a name="l00088"></a>00088                         <span class="stringliteral">&quot; &lt;/p&gt;&quot;</span>
<a name="l00089"></a>00089                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00090"></a>00090 
<a name="l00091"></a>00091     <a class="codeRef" href="qstring.html">QString</a> whatsThisFilterchainListView = i18n( <span class="stringliteral">&quot; &lt;qt&gt; &lt;b&gt;Filtering Chain&lt;/b&gt; (if enabled, is run &lt;em&gt;before&lt;/em&gt; actual &quot;</span>
<a name="l00092"></a>00092                         <span class="stringliteral">&quot; job submission to print system)&quot;</span>
<a name="l00093"></a>00093                         <span class="stringliteral">&quot; &lt;p&gt;This field shows which filters are currently selected to act as &#39;pre-filters&#39; &quot;</span>
<a name="l00094"></a>00094                         <span class="stringliteral">&quot; for KDEPrint. Pre-filters are processing the print files &lt;em&gt;before&lt;/em&gt; they are &quot;</span>
<a name="l00095"></a>00095                         <span class="stringliteral">&quot; send downstream to your real print subsystem. &lt;/p&gt; &quot;</span>
<a name="l00096"></a>00096                         <span class="stringliteral">&quot; &lt;p&gt;The list shown in this field may be empty (default). &lt;/p&gt; &quot;</span>
<a name="l00097"></a>00097                         <span class="stringliteral">&quot; &lt;p&gt;The pre-filters act on the printjob in the order they are listed (from top to bottom). &quot;</span>
<a name="l00098"></a>00098                         <span class="stringliteral">&quot; This is done by acting as a &lt;em&gt;filtering chain&lt;/em&gt; where the output of one filter &quot;</span>
<a name="l00099"></a>00099                         <span class="stringliteral">&quot; acts as input to the next. By putting the filters into the wrong order, you can make &quot;</span> 
<a name="l00100"></a>00100                         <span class="stringliteral">&quot; the filtering chain fail. For example: if your file is ASCII text, and you want the &quot;</span>
<a name="l00101"></a>00101                         <span class="stringliteral">&quot; output being processed by the &#39;Multipage per Sheet&#39; filter, the first filter must be &quot;</span>
<a name="l00102"></a>00102                         <span class="stringliteral">&quot; one that processes ASCII into PostScript. &lt;/p&gt; &quot;</span>
<a name="l00103"></a>00103                         <span class="stringliteral">&quot; &lt;p&gt;KDEPrint can utilize &lt;em&gt;any&lt;/em&gt; external filtering program which you may find useful &quot;</span>
<a name="l00104"></a>00104                         <span class="stringliteral">&quot; through this interface. &lt;/p&gt; &quot;</span>
<a name="l00105"></a>00105                         <span class="stringliteral">&quot; &lt;p&gt;KDEPrint ships preconfigured with support for a selection of common filters. These &quot;</span>
<a name="l00106"></a>00106                         <span class="stringliteral">&quot; filters however need to be &quot;</span>
<a name="l00107"></a>00107                         <span class="stringliteral">&quot; installed independently from KDEPrint. These pre-filters work &lt;em&gt;for all&lt;/em&gt; print subsystems&quot;</span>
<a name="l00108"></a>00108                         <span class="stringliteral">&quot; supported by KDEPrint (such as CUPS, LPRng and LPD), because they are not depending on these.&lt;/p&gt; &quot;</span>
<a name="l00109"></a>00109                         <span class="stringliteral">&quot;.&lt;p&gt; Amongst the pre-configured filters shipping with KDEPrint are: &lt;/p&gt; &quot;</span>
<a name="l00110"></a>00110                         <span class="stringliteral">&quot; &lt;ul&gt; &quot;</span>
<a name="l00111"></a>00111                         <span class="stringliteral">&quot; &lt;li&gt;the &lt;em&gt;Enscript text filter&lt;/em&gt;  &lt;/li&gt; &quot;</span>
<a name="l00112"></a>00112                         <span class="stringliteral">&quot; &lt;li&gt;a &lt;em&gt;Multiple Pages per Sheet filter&lt;/em &lt;/li&gt; &quot;</span>
<a name="l00113"></a>00113                         <span class="stringliteral">&quot; &lt;li&gt;a &lt;em&gt;PostScript to PDF converter&lt;/em&gt;.&lt;/li&gt; &quot;</span>
<a name="l00114"></a>00114                         <span class="stringliteral">&quot; &lt;li&gt;a &lt;em&gt;Page Selection/Ordering filter&lt;/em&gt;.&lt;/li&gt; &quot;</span>
<a name="l00115"></a>00115                         <span class="stringliteral">&quot; &lt;li&gt;a &lt;em&gt;Poster Printing filter&lt;/em&gt;.&lt;/li&gt; &quot;</span>
<a name="l00116"></a>00116                         <span class="stringliteral">&quot; &lt;li&gt;and some more..&lt;/li&gt; &quot;</span>
<a name="l00117"></a>00117                         <span class="stringliteral">&quot; &lt;/ul&gt; &quot;</span>
<a name="l00118"></a>00118                         <span class="stringliteral">&quot; To insert a filter into this list, simply click on the &lt;em&gt;funnel&lt;/em&gt; icon (topmost on &quot;</span>
<a name="l00119"></a>00119                         <span class="stringliteral">&quot; the right icon column group) and proceed. &lt;/p&gt;&quot;</span>
<a name="l00120"></a>00120                         <span class="stringliteral">&quot; &lt;p&gt;Please click on the other elements of this dialog to learn more about the KDEPrint &quot;</span>
<a name="l00121"></a>00121                         <span class="stringliteral">&quot; pre-filters. &quot;</span>
<a name="l00122"></a>00122                         <span class="stringliteral">&quot; &lt;/p&gt;&quot;</span>
<a name="l00123"></a>00123                         <span class="stringliteral">&quot; &lt;/qt&gt;&quot;</span> );
<a name="l00124"></a>00124 
<a name="l00125"></a>00125     setTitle(i18n(<span class="stringliteral">&quot;Filters&quot;</span>));
<a name="l00126"></a>00126     m_activefilters.setAutoDelete(<span class="keyword">true</span>);
<a name="l00127"></a>00127     m_valid = <span class="keyword">true</span>;
<a name="l00128"></a>00128 
<a name="l00129"></a>00129     m_view = <span class="keyword">new</span> KListView(<span class="keyword">this</span>);
<a name="l00130"></a>00130       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_view, whatsThisFilterchainListView);
<a name="l00131"></a>00131     m_view-&gt;addColumn(<span class="stringliteral">&quot;&quot;</span>);
<a name="l00132"></a>00132     m_view-&gt;setFrameStyle(QFrame::WinPanel|QFrame::Sunken);
<a name="l00133"></a>00133     m_view-&gt;setLineWidth(1);
<a name="l00134"></a>00134     m_view-&gt;setSorting(-1);
<a name="l00135"></a>00135     m_view-&gt;header()-&gt;hide();
<a name="l00136"></a>00136     connect(m_view,SIGNAL(selectionChanged(<a class="codeRef" href="qlistviewitem.html">QListViewItem</a>*)),SLOT(slotItemSelected(<a class="codeRef" href="qlistviewitem.html">QListViewItem</a>*)));
<a name="l00137"></a>00137 
<a name="l00138"></a>00138     m_add = <span class="keyword">new</span> <a class="codeRef" href="qtoolbutton.html">QToolButton</a>(<span class="keyword">this</span>);
<a name="l00139"></a>00139       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_add, whatsThisAddFilterButton);
<a name="l00140"></a>00140     m_add-&gt;setIconSet(BarIconSet(<span class="stringliteral">&quot;filter&quot;</span>));
<a name="l00141"></a>00141     <a class="codeRef" href="qtooltip.html#add">QToolTip::add</a>(m_add, i18n(<span class="stringliteral">&quot;Add filter&quot;</span>));
<a name="l00142"></a>00142 
<a name="l00143"></a>00143     m_remove = <span class="keyword">new</span> <a class="codeRef" href="qtoolbutton.html">QToolButton</a>(<span class="keyword">this</span>);
<a name="l00144"></a>00144       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_remove, whatsThisRemoveFilterButton);
<a name="l00145"></a>00145     m_remove-&gt;setIconSet(BarIconSet(<span class="stringliteral">&quot;remove&quot;</span>));
<a name="l00146"></a>00146     <a class="codeRef" href="qtooltip.html#add">QToolTip::add</a>(m_remove, i18n(<span class="stringliteral">&quot;Remove filter&quot;</span>));
<a name="l00147"></a>00147 
<a name="l00148"></a>00148     m_up = <span class="keyword">new</span> <a class="codeRef" href="qtoolbutton.html">QToolButton</a>(<span class="keyword">this</span>);
<a name="l00149"></a>00149       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_up, whatsThisMoveFilterUpButton);
<a name="l00150"></a>00150     m_up-&gt;setIconSet(BarIconSet(<span class="stringliteral">&quot;up&quot;</span>));
<a name="l00151"></a>00151     <a class="codeRef" href="qtooltip.html#add">QToolTip::add</a>(m_up, i18n(<span class="stringliteral">&quot;Move filter up&quot;</span>));
<a name="l00152"></a>00152 
<a name="l00153"></a>00153     m_down = <span class="keyword">new</span> <a class="codeRef" href="qtoolbutton.html">QToolButton</a>(<span class="keyword">this</span>);
<a name="l00154"></a>00154       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_down, whatsThisMoveFilterDownButton);
<a name="l00155"></a>00155     m_down-&gt;setIconSet(BarIconSet(<span class="stringliteral">&quot;down&quot;</span>));
<a name="l00156"></a>00156     <a class="codeRef" href="qtooltip.html#add">QToolTip::add</a>(m_down, i18n(<span class="stringliteral">&quot;Move filter down&quot;</span>));
<a name="l00157"></a>00157 
<a name="l00158"></a>00158     m_configure = <span class="keyword">new</span> <a class="codeRef" href="qtoolbutton.html">QToolButton</a>(<span class="keyword">this</span>);
<a name="l00159"></a>00159       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_configure, whatsThisConfigureFilterButton);
<a name="l00160"></a>00160     m_configure-&gt;setIconSet(BarIconSet(<span class="stringliteral">&quot;configure&quot;</span>));
<a name="l00161"></a>00161     <a class="codeRef" href="qtooltip.html#add">QToolTip::add</a>(m_configure, i18n(<span class="stringliteral">&quot;Configure filter&quot;</span>));
<a name="l00162"></a>00162 
<a name="l00163"></a>00163     connect(m_add,SIGNAL(clicked()),SLOT(slotAddClicked()));
<a name="l00164"></a>00164     connect(m_remove,SIGNAL(clicked()),SLOT(slotRemoveClicked()));
<a name="l00165"></a>00165     connect(m_up,SIGNAL(clicked()),SLOT(slotUpClicked()));
<a name="l00166"></a>00166     connect(m_down,SIGNAL(clicked()),SLOT(slotDownClicked()));
<a name="l00167"></a>00167     connect(m_configure,SIGNAL(clicked()),SLOT(slotConfigureClicked()));
<a name="l00168"></a>00168     connect(m_view,SIGNAL(doubleClicked(<a class="codeRef" href="qlistviewitem.html">QListViewItem</a>*)),SLOT(slotConfigureClicked()));
<a name="l00169"></a>00169 
<a name="l00170"></a>00170     m_info = <span class="keyword">new</span> KActiveLabel(<span class="keyword">this</span>);
<a name="l00171"></a>00171       <a class="codeRef" href="qwhatsthis.html#add">QWhatsThis::add</a>(m_info, whatsThisFilterInfoPane);
<a name="l00172"></a>00172     m_info-&gt;setVScrollBarMode( QScrollView::Auto );
<a name="l00173"></a>00173     m_info-&gt;setHScrollBarMode( QScrollView::Auto );
<a name="l00174"></a>00174     m_info-&gt;setFrameStyle( QFrame::Panel|QFrame::Sunken );
<a name="l00175"></a>00175     m_info-&gt;setMinimumSize( <a class="codeRef" href="qsize.html">QSize</a>( 240, 100 ) );
<a name="l00176"></a>00176 
<a name="l00177"></a>00177     <a class="codeRef" href="qgridlayout.html">QGridLayout</a> *l1 = <span class="keyword">new</span> <a class="codeRef" href="qgridlayout.html">QGridLayout</a>(<span class="keyword">this</span>, 2, 2, 0, KDialog::spacingHint());
<a name="l00178"></a>00178     l1-&gt;<a class="codeRef" href="qgridlayout.html#setColStretch">setColStretch</a>(0, 1);
<a name="l00179"></a>00179     <a class="codeRef" href="qvboxlayout.html">QVBoxLayout</a> *l2 = <span class="keyword">new</span> <a class="codeRef" href="qvboxlayout.html">QVBoxLayout</a>(0, 0, 1);
<a name="l00180"></a>00180     l1-&gt;<a class="codeRef" href="qgridlayout.html#addWidget">addWidget</a>(m_view, 0, 0);
<a name="l00181"></a>00181     l1-&gt;<a class="codeRef" href="qgridlayout.html#addLayout">addLayout</a>(l2, 0, 1);
<a name="l00182"></a>00182     l2-&gt;addWidget(m_add);
<a name="l00183"></a>00183     l2-&gt;addWidget(m_remove);
<a name="l00184"></a>00184     l2-&gt;addSpacing(5);
<a name="l00185"></a>00185     l2-&gt;addWidget(m_up);
<a name="l00186"></a>00186     l2-&gt;addWidget(m_down);
<a name="l00187"></a>00187     l2-&gt;addSpacing(5);
<a name="l00188"></a>00188     l2-&gt;addWidget(m_configure);
<a name="l00189"></a>00189     l2-&gt;addStretch(1);
<a name="l00190"></a>00190     l1-&gt;<a class="codeRef" href="qgridlayout.html#addMultiCellWidget">addMultiCellWidget</a>(m_info, 1, 1, 0, 1);
<a name="l00191"></a>00191     slotItemSelected(0);
<a name="l00192"></a>00192 
<a name="l00193"></a>00193     resize(100,50);
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 
<a name="l00196"></a>00196 KPFilterPage::~KPFilterPage()
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 
<a name="l00200"></a>00200 <span class="keywordtype">void</span> KPFilterPage::updateButton()
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="comment">/*  QListViewItem   *item = m_view-&gt;currentItem();</span>
<a name="l00203"></a>00203 <span class="comment">  bool state=(item!=0);</span>
<a name="l00204"></a>00204 <span class="comment">  m_remove-&gt;setEnabled(state);</span>
<a name="l00205"></a>00205 <span class="comment">  m_up-&gt;setEnabled((state &amp;&amp; item-&gt;itemAbove() != 0));</span>
<a name="l00206"></a>00206 <span class="comment">  m_down-&gt;setEnabled((state &amp;&amp; item-&gt;itemBelow() != 0));</span>
<a name="l00207"></a>00207 <span class="comment">  m_configure-&gt;setEnabled(state);*/</span>
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 
<a name="l00210"></a>00210 <span class="keywordtype">void</span> KPFilterPage::slotAddClicked()
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212     <span class="keywordtype">bool</span>    ok;
<a name="l00213"></a>00213     <a class="codeRef" href="qstring.html">QString</a> choice = KXmlCommandManager::self()-&gt;selectCommand( <span class="keyword">this</span> );
<a name="l00214"></a>00214     ok = !choice.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>();
<a name="l00215"></a>00215     <span class="keywordflow">if</span> (ok)
<a name="l00216"></a>00216     {
<a name="l00217"></a>00217         KXmlCommand *cmd = KXmlCommandManager::self()-&gt;loadCommand(choice);
<a name="l00218"></a>00218         <span class="keywordflow">if</span> (!cmd) <span class="keywordflow">return</span>; <span class="comment">// Error</span>
<a name="l00219"></a>00219         <a class="codeRef" href="qstringlist.html">QStringList</a> filters = activeList();
<a name="l00220"></a>00220         <span class="keywordtype">int</span>     pos = KXmlCommandManager::self()-&gt;insertCommand(filters, cmd-&gt;name());
<a name="l00221"></a>00221         <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *prev(0);
<a name="l00222"></a>00222         <span class="keywordflow">if</span> (pos &gt; 0)
<a name="l00223"></a>00223         {
<a name="l00224"></a>00224             prev = m_view-&gt;firstChild();
<a name="l00225"></a>00225             <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=1;prev &amp;&amp; i&lt;pos;i++)
<a name="l00226"></a>00226                 prev = prev-&gt;nextSibling();
<a name="l00227"></a>00227         }
<a name="l00228"></a>00228         m_activefilters.insert(cmd-&gt;name(), cmd);
<a name="l00229"></a>00229         <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item = <span class="keyword">new</span> <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>(m_view, prev, cmd-&gt;description(), cmd-&gt;name());
<a name="l00230"></a>00230         item-&gt;<a class="codeRef" href="qlistviewitem.html#setPixmap">setPixmap</a>(0, SmallIcon(<span class="stringliteral">&quot;filter&quot;</span>));
<a name="l00231"></a>00231         checkFilterChain();
<a name="l00232"></a>00232     }
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 
<a name="l00235"></a>00235 <span class="keywordtype">void</span> KPFilterPage::slotRemoveClicked()
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237     <span class="keywordflow">if</span> (m_view-&gt;selectedItem())
<a name="l00238"></a>00238     {
<a name="l00239"></a>00239         <a class="codeRef" href="qstring.html">QString</a> idname = m_view-&gt;selectedItem()-&gt;text(1);
<a name="l00240"></a>00240         <span class="keyword">delete</span> m_view-&gt;selectedItem();
<a name="l00241"></a>00241         m_activefilters.<a class="codeRef" href="qstring.html#remove">remove</a>(idname);
<a name="l00242"></a>00242         checkFilterChain();
<a name="l00243"></a>00243         <span class="keywordflow">if</span> (m_view-&gt;currentItem())
<a name="l00244"></a>00244             m_view-&gt;setSelected(m_view-&gt;currentItem(), <span class="keyword">true</span>);
<a name="l00245"></a>00245         slotItemSelected(m_view-&gt;currentItem());
<a name="l00246"></a>00246     }
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 
<a name="l00249"></a>00249 <span class="keywordtype">void</span> KPFilterPage::slotUpClicked()
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251     <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item = m_view-&gt;selectedItem();
<a name="l00252"></a>00252     <span class="keywordflow">if</span> (item &amp;&amp; item-&gt;<a class="codeRef" href="qlistviewitem.html#itemAbove">itemAbove</a>())
<a name="l00253"></a>00253     {
<a name="l00254"></a>00254         <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *clone = <span class="keyword">new</span> <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>(m_view,item-&gt;<a class="codeRef" href="qlistviewitem.html#itemAbove">itemAbove</a>()-&gt;itemAbove(),item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(0),item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(1));
<a name="l00255"></a>00255         clone-&gt;<a class="codeRef" href="qlistviewitem.html#setPixmap">setPixmap</a>(0, SmallIcon(<span class="stringliteral">&quot;filter&quot;</span>));
<a name="l00256"></a>00256         <span class="keyword">delete</span> item;
<a name="l00257"></a>00257         m_view-&gt;<a class="codeRef" href="qlistviewitem.html#setSelected">setSelected</a>(clone, <span class="keyword">true</span>);
<a name="l00258"></a>00258         checkFilterChain();
<a name="l00259"></a>00259     }
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261 
<a name="l00262"></a>00262 <span class="keywordtype">void</span> KPFilterPage::slotDownClicked()
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264     <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item = m_view-&gt;selectedItem();
<a name="l00265"></a>00265     <span class="keywordflow">if</span> (item &amp;&amp; item-&gt;<a class="codeRef" href="qlistviewitem.html#itemBelow">itemBelow</a>())
<a name="l00266"></a>00266     {
<a name="l00267"></a>00267         <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *clone = <span class="keyword">new</span> <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>(m_view,item-&gt;<a class="codeRef" href="qlistviewitem.html#itemBelow">itemBelow</a>(),item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(0),item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(1));
<a name="l00268"></a>00268         clone-&gt;<a class="codeRef" href="qlistviewitem.html#setPixmap">setPixmap</a>(0, SmallIcon(<span class="stringliteral">&quot;filter&quot;</span>));
<a name="l00269"></a>00269         <span class="keyword">delete</span> item;
<a name="l00270"></a>00270         m_view-&gt;<a class="codeRef" href="qlistviewitem.html#setSelected">setSelected</a>(clone, <span class="keyword">true</span>);
<a name="l00271"></a>00271         checkFilterChain();
<a name="l00272"></a>00272     }
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 
<a name="l00275"></a>00275 <span class="keywordtype">void</span> KPFilterPage::slotConfigureClicked()
<a name="l00276"></a>00276 {
<a name="l00277"></a>00277     KXmlCommand *filter = currentFilter();
<a name="l00278"></a>00278     <span class="keywordflow">if</span> (!filter || !KXmlCommandManager::self()-&gt;configure(filter, <span class="keyword">this</span>))
<a name="l00279"></a>00279         KMessageBox::error(<span class="keyword">this</span>,i18n(<span class="stringliteral">&quot;Internal error: unable to load filter.&quot;</span>));
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 
<a name="l00282"></a>00282 <span class="keywordtype">void</span> KPFilterPage::slotItemSelected(<a class="codeRef" href="qlistviewitem.html">QListViewItem</a> *item)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284     m_remove-&gt;setEnabled((item != 0));
<a name="l00285"></a>00285     m_up-&gt;setEnabled((item != 0 &amp;&amp; item-&gt;<a class="codeRef" href="qlistviewitem.html#itemAbove">itemAbove</a>() != 0));
<a name="l00286"></a>00286     m_down-&gt;setEnabled((item != 0 &amp;&amp; item-&gt;<a class="codeRef" href="qlistviewitem.html#itemBelow">itemBelow</a>() != 0));
<a name="l00287"></a>00287     m_configure-&gt;setEnabled((item != 0));
<a name="l00288"></a>00288     updateInfo();
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 
<a name="l00291"></a>00291 <span class="keywordtype">void</span> KPFilterPage::setOptions(<span class="keyword">const</span> <a class="codeRef" href="qmap.html">QMap&lt;QString,QString&gt;</a>&amp; opts)
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293     <a class="codeRef" href="qstringlist.html">QStringList</a> filters = <a class="codeRef" href="qstringlist.html#split">QStringList::split</a>(<span class="charliteral">&#39;,&#39;</span>,opts[<span class="stringliteral">&quot;_kde-filters&quot;</span>],<span class="keyword">false</span>);
<a name="l00294"></a>00294     <span class="comment">// remove unneeded filters</span>
<a name="l00295"></a>00295     <a class="codeRef" href="qdictiterator.html">QDictIterator&lt;KXmlCommand&gt;</a>  dit(m_activefilters);
<a name="l00296"></a>00296     <span class="keywordflow">for</span> (;dit.current();)
<a name="l00297"></a>00297     {
<a name="l00298"></a>00298         <span class="keywordflow">if</span> (filters.find(dit.currentKey()) == filters.end())
<a name="l00299"></a>00299             m_activefilters.remove(dit.currentKey());
<a name="l00300"></a>00300         <span class="keywordflow">else</span>
<a name="l00301"></a>00301         {
<a name="l00302"></a>00302             dit.current()-&gt;setOptions(opts);
<a name="l00303"></a>00303             ++dit;
<a name="l00304"></a>00304         }
<a name="l00305"></a>00305     }
<a name="l00306"></a>00306     <span class="comment">// add needed filters</span>
<a name="l00307"></a>00307     m_view-&gt;clear();
<a name="l00308"></a>00308     <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item(0);
<a name="l00309"></a>00309     <span class="keywordflow">for</span> (QStringList::ConstIterator sit=filters.begin(); sit!=filters.end(); ++sit)
<a name="l00310"></a>00310     {
<a name="l00311"></a>00311         KXmlCommand *f(0);
<a name="l00312"></a>00312         <span class="keywordflow">if</span> ((f=m_activefilters.find(*sit)) == 0)
<a name="l00313"></a>00313         {
<a name="l00314"></a>00314             f = KXmlCommandManager::self()-&gt;loadCommand(*sit);
<a name="l00315"></a>00315             <span class="keywordflow">if</span> (f)
<a name="l00316"></a>00316             {
<a name="l00317"></a>00317                 m_activefilters.insert(*sit,f);
<a name="l00318"></a>00318                 f-&gt;setOptions(opts);
<a name="l00319"></a>00319             }
<a name="l00320"></a>00320         }
<a name="l00321"></a>00321         <span class="keywordflow">if</span> (f)
<a name="l00322"></a>00322             item = <span class="keyword">new</span> <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>(m_view,item,f-&gt;description(),f-&gt;name());
<a name="l00323"></a>00323     }
<a name="l00324"></a>00324     checkFilterChain();
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 
<a name="l00327"></a>00327 <span class="keywordtype">void</span> KPFilterPage::getOptions(<a class="codeRef" href="qmap.html">QMap&lt;QString,QString&gt;</a>&amp; opts, <span class="keywordtype">bool</span> incldef)
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329     <a class="codeRef" href="qstringlist.html">QStringList</a> filters = activeList();
<a name="l00330"></a>00330     <span class="keywordflow">for</span> (QStringList::ConstIterator it=filters.begin(); it!=filters.end(); ++it)
<a name="l00331"></a>00331     {
<a name="l00332"></a>00332         KXmlCommand *f = m_activefilters.find(*it);
<a name="l00333"></a>00333         <span class="keywordflow">if</span> (f)
<a name="l00334"></a>00334             f-&gt;getOptions(opts, incldef);
<a name="l00335"></a>00335     }
<a name="l00336"></a>00336     <span class="keywordflow">if</span> (filters.count() &gt; 0 || incldef)
<a name="l00337"></a>00337     {
<a name="l00338"></a>00338         opts[<span class="stringliteral">&quot;_kde-filters&quot;</span>] = filters.<a class="codeRef" href="qstringlist.html#join">join</a>(<span class="stringliteral">&quot;,&quot;</span>);
<a name="l00339"></a>00339     }
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341 
<a name="l00342"></a>00342 <a class="codeRef" href="qstringlist.html">QStringList</a> KPFilterPage::activeList()
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344     <a class="codeRef" href="qstringlist.html">QStringList</a> list;
<a name="l00345"></a>00345     <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item = m_view-&gt;<a class="codeRef" href="qlistviewitem.html#firstChild">firstChild</a>();
<a name="l00346"></a>00346     <span class="keywordflow">while</span> (item)
<a name="l00347"></a>00347     {
<a name="l00348"></a>00348         list.append(item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(1));
<a name="l00349"></a>00349         item = item-&gt;<a class="codeRef" href="qlistviewitem.html#nextSibling">nextSibling</a>();
<a name="l00350"></a>00350     }
<a name="l00351"></a>00351     <span class="keywordflow">return</span> list;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 
<a name="l00354"></a>00354 KXmlCommand* KPFilterPage::currentFilter()
<a name="l00355"></a>00355 {
<a name="l00356"></a>00356     KXmlCommand *filter(0);
<a name="l00357"></a>00357     <span class="keywordflow">if</span> (m_view-&gt;selectedItem())
<a name="l00358"></a>00358         filter = m_activefilters.find(m_view-&gt;selectedItem()-&gt;text(1));
<a name="l00359"></a>00359     <span class="keywordflow">return</span> filter;
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361 
<a name="l00362"></a>00362 <span class="keywordtype">void</span> KPFilterPage::checkFilterChain()
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364     <a class="codeRef" href="qlistviewitem.html">QListViewItem</a>   *item = m_view-&gt;<a class="codeRef" href="qlistviewitem.html#firstChild">firstChild</a>();
<a name="l00365"></a>00365     <span class="keywordtype">bool</span>        ok(<span class="keyword">true</span>);
<a name="l00366"></a>00366     m_valid = <span class="keyword">true</span>;
<a name="l00367"></a>00367     <span class="keywordflow">while</span> (item)
<a name="l00368"></a>00368     {
<a name="l00369"></a>00369         item-&gt;<a class="codeRef" href="qlistviewitem.html#setPixmap">setPixmap</a>(0, (ok ? SmallIcon(<span class="stringliteral">&quot;filter&quot;</span>) : SmallIcon(<span class="stringliteral">&quot;filterstop&quot;</span>)));
<a name="l00370"></a>00370         KXmlCommand *f1 = m_activefilters.find(item-&gt;<a class="codeRef" href="qlistviewitem.html#text">text</a>(1));
<a name="l00371"></a>00371         <span class="keywordflow">if</span> (f1 &amp;&amp; item-&gt;<a class="codeRef" href="qlistviewitem.html#nextSibling">nextSibling</a>())
<a name="l00372"></a>00372         {
<a name="l00373"></a>00373             KXmlCommand *f2 = m_activefilters.find(item-&gt;<a class="codeRef" href="qlistviewitem.html#nextSibling">nextSibling</a>()-&gt;text(1));
<a name="l00374"></a>00374             <span class="keywordflow">if</span> (f2)
<a name="l00375"></a>00375             {
<a name="l00376"></a>00376                 <span class="keywordflow">if</span> (!f2-&gt;acceptMimeType(f1-&gt;mimeType()))
<a name="l00377"></a>00377                 {
<a name="l00378"></a>00378                     item-&gt;<a class="codeRef" href="qlistviewitem.html#setPixmap">setPixmap</a>(0, SmallIcon(<span class="stringliteral">&quot;filterstop&quot;</span>));
<a name="l00379"></a>00379                     ok = <span class="keyword">false</span>;
<a name="l00380"></a>00380                     m_valid = <span class="keyword">false</span>;
<a name="l00381"></a>00381                 }
<a name="l00382"></a>00382                 <span class="keywordflow">else</span>
<a name="l00383"></a>00383                     ok = <span class="keyword">true</span>;
<a name="l00384"></a>00384             }
<a name="l00385"></a>00385         }
<a name="l00386"></a>00386         item = item-&gt;<a class="codeRef" href="qlistviewitem.html#nextSibling">nextSibling</a>();
<a name="l00387"></a>00387     }
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 
<a name="l00390"></a>00390 <span class="keywordtype">bool</span> KPFilterPage::isValid(<a class="codeRef" href="qstring.html">QString</a>&amp; msg)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392     <span class="keywordflow">if</span> (!m_valid)
<a name="l00393"></a>00393     {
<a name="l00394"></a>00394         msg = i18n(<span class="stringliteral">&quot;&lt;p&gt;The filter chain is wrong. The output format of at least one filter is not supported by its follower. See &lt;b&gt;Filters&lt;/b&gt; tab for more information.&lt;/p&gt;&quot;</span>);
<a name="l00395"></a>00395     }
<a name="l00396"></a>00396     <span class="keywordflow">return</span> m_valid;
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398 
<a name="l00399"></a>00399 <span class="keywordtype">void</span> KPFilterPage::updateInfo()
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401     <a class="codeRef" href="qstring.html">QString</a> txt;
<a name="l00402"></a>00402     KXmlCommand *f = currentFilter();
<a name="l00403"></a>00403     <span class="keywordflow">if</span> (f)
<a name="l00404"></a>00404     {
<a name="l00405"></a>00405         <a class="codeRef" href="qstring.html">QString</a> templ(<span class="stringliteral">&quot;&lt;b&gt;%1:&lt;/b&gt; %2&lt;br&gt;&quot;</span>);
<a name="l00406"></a>00406         txt.<a class="codeRef" href="qstring.html#append">append</a>(templ.arg(i18n(<span class="stringliteral">&quot;Name&quot;</span>)).arg(f-&gt;name()));
<a name="l00407"></a>00407         txt.<a class="codeRef" href="qstring.html#append">append</a>(templ.arg(i18n(<span class="stringliteral">&quot;Requirements&quot;</span>)).arg(f-&gt;requirements().join(<span class="stringliteral">&quot;, &quot;</span>)));
<a name="l00408"></a>00408         txt.<a class="codeRef" href="qstring.html#append">append</a>(templ.arg(i18n(<span class="stringliteral">&quot;Input&quot;</span>)).arg(f-&gt;inputMimeTypes().join(<span class="stringliteral">&quot;, &quot;</span>)));
<a name="l00409"></a>00409         txt.<a class="codeRef" href="qstring.html#append">append</a>(templ.arg(i18n(<span class="stringliteral">&quot;Output&quot;</span>)).arg(f-&gt;mimeType()));
<a name="l00410"></a>00410         <span class="keywordflow">if</span> ( !f-&gt;comment().isEmpty() )
<a name="l00411"></a>00411             txt.<a class="codeRef" href="qstring.html#append">append</a>( <span class="stringliteral">&quot;&lt;br&gt;&quot;</span> ).append( f-&gt;comment() );
<a name="l00412"></a>00412     }
<a name="l00413"></a>00413     m_info-&gt;setText(txt);
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 
<a name="l00416"></a>00416 <span class="preprocessor">#include &quot;kpfilterpage.moc&quot;</span>
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